EP2127131A4 - Radio communications using scheduled power amplifier backoff - Google Patents

Radio communications using scheduled power amplifier backoff

Info

Publication number
EP2127131A4
EP2127131A4 EP07748385.7A EP07748385A EP2127131A4 EP 2127131 A4 EP2127131 A4 EP 2127131A4 EP 07748385 A EP07748385 A EP 07748385A EP 2127131 A4 EP2127131 A4 EP 2127131A4
Authority
EP
European Patent Office
Prior art keywords
power amplifier
radio communications
scheduled power
amplifier backoff
backoff
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP07748385.7A
Other languages
German (de)
French (fr)
Other versions
EP2127131A1 (en
Inventor
Karl-Goesta Sahlman
Ulf Skaerby
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of EP2127131A1 publication Critical patent/EP2127131A1/en
Publication of EP2127131A4 publication Critical patent/EP2127131A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B1/0475—Circuits with means for limiting noise, interference or distortion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H04W52/241—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account channel quality metrics, e.g. SIR, SNR, CIR, Eb/lo
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H04W52/245—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account received signal strength
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B2001/0408—Circuits with power amplifiers
    • H04B2001/0416—Circuits with power amplifiers having gain or transmission power control

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Transmitters (AREA)
  • Mobile Radio Communication Systems (AREA)
EP07748385.7A 2007-02-28 2007-04-10 Radio communications using scheduled power amplifier backoff Withdrawn EP2127131A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/711,837 US7797013B2 (en) 2007-02-28 2007-02-28 Radio communications using scheduled power amplifier backoff
PCT/SE2007/050224 WO2008105701A1 (en) 2007-02-28 2007-04-10 Radio communications using scheduled power amplifier backoff

Publications (2)

Publication Number Publication Date
EP2127131A1 EP2127131A1 (en) 2009-12-02
EP2127131A4 true EP2127131A4 (en) 2014-03-05

Family

ID=39716453

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07748385.7A Withdrawn EP2127131A4 (en) 2007-02-28 2007-04-10 Radio communications using scheduled power amplifier backoff

Country Status (4)

Country Link
US (1) US7797013B2 (en)
EP (1) EP2127131A4 (en)
JP (1) JP2010520675A (en)
WO (1) WO2008105701A1 (en)

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US7826521B1 (en) * 2007-02-28 2010-11-02 Atheros Communications, Inc. Rate adaptation using error vector magnitude
US8036298B2 (en) * 2008-01-08 2011-10-11 Integrated System Solution Corp. Apparatus and method of error vector measurement for digital and multiple-input multiple output IMO communication systems
DE102008063612A1 (en) * 2008-04-15 2009-10-22 Rohde & Schwarz Gmbh & Co. Kg Method for testing the transmission states of a measuring device
WO2009153978A1 (en) * 2008-06-17 2009-12-23 パナソニック株式会社 Radio transmission device and radio transmission method
JP5228117B2 (en) * 2009-03-03 2013-07-03 テレフオンアクチーボラゲット エル エム エリクソン（パブル） Base station and method for scheduler control setting of output power of base station power amplifier
EP2417802B1 (en) 2009-04-08 2013-03-20 Telefonaktiebolaget LM Ericsson (publ) Data communication scheduling
US9564939B2 (en) 2010-03-12 2017-02-07 Sunrise Micro Devices, Inc. Power efficient communications
KR20110114175A (en) * 2010-04-13 2011-10-19 삼성전자주식회사 Apparatus and method for saving power consumption in broadband wireless communication system
US8780752B2 (en) 2011-03-02 2014-07-15 Qualcomm Incorporated Method and apparatus to facilitate support for multi-radio coexistence
US9031048B2 (en) * 2011-03-30 2015-05-12 Broadcom Corporation Dual band wireless local area network (WLAN) transceiver
KR20120129632A (en) * 2011-05-20 2012-11-28 삼성전자주식회사 Method and apparatus for controlling power in a wireless communication system
US9615326B2 (en) * 2011-06-30 2017-04-04 Intel Corporation System and method of improving power efficiency in wireless communication system
KR101843436B1 (en) 2011-08-25 2018-03-29 삼성전자주식회사 Apparatus and method for reducing power consumption in wireless communication system
US8665992B1 (en) 2012-06-20 2014-03-04 MagnaCom Ltd. Pilot symbol generation for highly-spectrally-efficient communications
US8737458B2 (en) 2012-06-20 2014-05-27 MagnaCom Ltd. Highly-spectrally-efficient reception using orthogonal frequency division multiplexing
US8781008B2 (en) 2012-06-20 2014-07-15 MagnaCom Ltd. Highly-spectrally-efficient transmission using orthogonal frequency division multiplexing
US8982984B2 (en) 2012-06-20 2015-03-17 MagnaCom Ltd. Dynamic filter adjustment for highly-spectrally-efficient communications
US8811548B2 (en) 2012-11-14 2014-08-19 MagnaCom, Ltd. Hypotheses generation based on multidimensional slicing
US9088400B2 (en) 2012-11-14 2015-07-21 MagnaCom Ltd. Hypotheses generation based on multidimensional slicing
US8804873B1 (en) 2013-02-13 2014-08-12 Crestcom, Inc. Communication system and method with PAPR; and backoff configured for equilibrium
CN104144447B (en) * 2013-05-08 2018-06-26 中国移动通信集团公司 A kind of information transferring method and equipment
US9118519B2 (en) 2013-11-01 2015-08-25 MagnaCom Ltd. Reception of inter-symbol-correlated signals using symbol-by-symbol soft-output demodulator
US8804879B1 (en) 2013-11-13 2014-08-12 MagnaCom Ltd. Hypotheses generation based on multidimensional slicing
US9313070B2 (en) * 2014-01-15 2016-04-12 Cisco Technology, Inc. Burst noise detection and pilot selection
US9130637B2 (en) 2014-01-21 2015-09-08 MagnaCom Ltd. Communication methods and systems for nonlinear multi-user environments
CN104918311B (en) * 2014-03-14 2019-01-25 华为技术有限公司 Poewr control method and device
US9496900B2 (en) 2014-05-06 2016-11-15 MagnaCom Ltd. Signal acquisition in a multimode environment
US8891701B1 (en) 2014-06-06 2014-11-18 MagnaCom Ltd. Nonlinearity compensation for reception of OFDM signals
US9246523B1 (en) 2014-08-27 2016-01-26 MagnaCom Ltd. Transmitter signal shaping
US9276619B1 (en) 2014-12-08 2016-03-01 MagnaCom Ltd. Dynamic configuration of modulation and demodulation
US9191247B1 (en) 2014-12-09 2015-11-17 MagnaCom Ltd. High-performance sequence estimation system and method of operation
US9973251B1 (en) 2015-08-05 2018-05-15 Mitsubishi Electric Corporation Radio transmission apparatus
US10694474B2 (en) 2015-10-15 2020-06-23 Telefonaktiebolaget Lm Ericsson (Publ) Network node and method for managing transmit power
CN108292927B (en) * 2015-12-07 2021-06-11 瑞典爱立信有限公司 Apparatus and method for controlling amplifier
CN106922013B (en) * 2015-12-24 2020-04-21 华为技术有限公司 Wireless access point of same-frequency-band double radio frequency modules and method for reducing signal interference
KR101989005B1 (en) * 2016-03-14 2019-06-13 삼성전자주식회사 Apparatus and method for saving power consumption in broadband wireless communication system
US9960794B2 (en) * 2016-06-20 2018-05-01 Qualcomm Incorporated Over the air acquisition of radio frequency impairment information
EP3632023A1 (en) 2017-05-24 2020-04-08 Telefonaktiebolaget LM Ericsson (publ) Scheduling of wireless communication devices

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020176480A1 (en) * 2001-05-22 2002-11-28 Wheatley Charles E. Method and apparatus for peak-to-average power reduction
US20030125038A1 (en) * 2001-12-27 2003-07-03 Western Gary E. Method and apparatus for scheduling communication services
US20040162097A1 (en) * 2003-02-18 2004-08-19 Rajiv Vijayan Peak-to-average power ratio management for multi-carrier modulation in wireless communication systems
US20060034164A1 (en) * 2004-08-11 2006-02-16 Interdigital Technology Corporation Per stream rate control (PSRC) for improving system efficiency in OFDM-MIMO communication systems

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1142156B1 (en) 1998-12-18 2006-04-12 Telefonaktiebolaget LM Ericsson (publ) Method in a telecommunication system
DE60238732D1 (en) 2001-01-18 2011-02-10 Ntt Docomo Inc Device and method for transmission power control and mobile station
JP2003046437A (en) 2001-07-31 2003-02-14 Ntt Docomo Inc Mobile communication system, base station device, and control method for the mobile communication system
JP3834299B2 (en) * 2003-05-21 2006-10-18 埼玉日本電気株式会社 Transmitting apparatus, radio base station, and clipping method
JP4884722B2 (en) * 2005-03-31 2012-02-29 株式会社エヌ・ティ・ティ・ドコモ Wireless communication apparatus and wireless communication method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020176480A1 (en) * 2001-05-22 2002-11-28 Wheatley Charles E. Method and apparatus for peak-to-average power reduction
US20030125038A1 (en) * 2001-12-27 2003-07-03 Western Gary E. Method and apparatus for scheduling communication services
US20040162097A1 (en) * 2003-02-18 2004-08-19 Rajiv Vijayan Peak-to-average power ratio management for multi-carrier modulation in wireless communication systems
US20060034164A1 (en) * 2004-08-11 2006-02-16 Interdigital Technology Corporation Per stream rate control (PSRC) for improving system efficiency in OFDM-MIMO communication systems

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
NAKAMURA H ET AL: "WIRELESS P-MP TRANSMISSION WITH MULTICODE ASSIGNMENT ALGORITHMS", ELECTRONICS & COMMUNICATIONS IN JAPAN, PART I - COMMUNICATIONS, WILEY, HOBOKEN, NJ, US, vol. 89, no. 8, 1 August 2006 (2006-08-01), pages 14 - 25, XP001242910, ISSN: 8756-6621, DOI: 10.1002/ECJA.20280 *
See also references of WO2008105701A1 *

Also Published As

Publication number Publication date
US20080207143A1 (en) 2008-08-28
EP2127131A1 (en) 2009-12-02
US7797013B2 (en) 2010-09-14
WO2008105701A1 (en) 2008-09-04
JP2010520675A (en) 2010-06-10

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